Toyota RAV4 (XA40) 2013-2018 Service Manual: Multiplex communication circuit
Description
The air conditioning amplifier communicates data with the ecm and combination meter through the can communication system.
Wiring diagram
Inspection procedure
- Check dtc
- Clear the dtc (see page ac-31).
- Read the dtc (see page ac-31).
Result 
Go to can communication system
Bus ic communication malfunction
Description
The air conditioning harness connects the air conditioning amplifier and the
servos. The air conditioning
amplifier supplies power and sends operation instructions to each servo th ...
Air conditioning control panel does not operate
Description
This circuit consists of the air conditioning control and the air
conditioning amplifier. When the air
conditioning control is operated, signals are transmitted to the air
conditioni ...
Other materials:
Adjusting the settings manually
To adjust the fan speed, press
on
to increase the fan
speed and to
decrease the fan speed.
Press to turn the fan off.
To adjust the temperature setting, turn
clockwise to
increases the temperature and turn
counterclockwise to
...
Short in front passenger side squib 2nd step circuit
Description
The front passenger side squib 2nd step circuit consists of the center airbag
sensor and the front
passenger airbag.
The circuit instructs the srs to deploy when the deployment conditions are met.
These dtcs are recorded when a malfunction is detected in the front passenger ...
Rear occupant classification sensor lh collision detection
Description
Dtc b1787 is output when the occupant classification ecu receives a collision
detection signal sent by
the rear occupant classification sensor lh when an accident occurs.
Dtc b1787 is also output when the front seat assembly rh is subjected to a
strong impact, even if an
actua ...
